Thompson Free Library (Dover-Foxcroft)
Dover-Foxcroft Historical Society
Abbot Library (Dexter) Obituary Database – Correct, Dexter is not in Piscataquis County, but this site has a well-indexed obituary index mostly drawn from the Eastern Gazette, with many items of interest for those researching southern Piscataquis County.
Maine Old Cemetery Association
The Mower Family and Genealogical Wanderings of Dale W. Mower Dale W. Mower